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Lennox PRODIGY M2

Lennox PRODIGY M2
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05/10 506457−01
*2P0510* *P506457-01*
Page 1
Litho U.S.A.
E2010
506457−01
05/10
PRODIGYt APPLICATION GUIDE
Prodigyt Application Guide (Advanced Features)
USB
INTERFACE
PORT
DISPLAY
USER INTERFACE NAVIGATION ARROWS
SELECT
BUTTON
ALARM
STATUS
MODE
CALLS
USB
TEST
OFFLINE
IN/OUTPUTS
REPLACE
REPORT
RUNTIMES
HISTORY
SENSORS
NETWORK
FACTORY
UNIT
SETPOINTS
CONTROL
OPTIONS
INSTALL
DISPLAY SERVICE DATA SETTINGS
M2 UNIT CONTROLLER
Push to select or enter value; then use
arrows
Use arrows to move
USB
INTERFACE
PORT
(For Flash Drive
DISPLAY
USER INTERFACE NAVIGATION ARROWS
SELECT
BUTTON
L CONNECTION ( optional
connection method for Unit
Controller software)
USB CONNECTION
(for Unit Controller
software)
SMARTWIREt
CONNECTORS
BACnet
R
t Listed
CAUTION
To insure correct voltage phasing before startup:
1) use refrigerant pressure gauges to check proper compressor operation and,
2) check arrow label for blower rotation.
Compressor damage will be the responsibility of the installer.

Table of Contents

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Lennox PRODIGY M2 Specifications

General IconGeneral
TypeController
ManufacturerLennox
ModelPRODIGY M2
Input Voltage24 VAC
Output Voltage24 VAC
Operating Temperature32°F to 122°F (0°C to 50°C)
ConnectivityWi-Fi, Ethernet
FeaturesRemote access
Humidity Range5% to 95% non-condensing

Summary

Main Controller Operation

System Mode - Zone Sensor

Details using internal setpoints and zone sensor input for unit operation, including default setpoints.

Unit Component Operation

Compressor Protection and Delays

Details compressor protection features like minimum run time, off delay, and lockout conditions.

Reheat Operation

Supermarket Reheat Operation

Details supermarket reheat operation, allowed on gas/electric units, not electric/electric or heat pump.

Humiditrol Reheat Operation

Details humiditrol reheat, controlled by RH sensor or L Connection network, with specific conditions.

Economizer

Outdoor Air Suitability

Covers six options for determining outdoor air suitability for free cooling using sensors and DIP switches.

Demand Control Ventilation

General

Explains using IAQ sensors to control CO2 levels and modulate economizer dampers for ventilation.

ECTO Adjustments

Covers adjusting IAQ ECTO parameters for different CO2 setpoints and temperature limits.

Outdoor Air Control Sensor (OAC)

Details the optional flow sensor (A24) used to control outdoor air amount and maintain constant airflow.

Supply Air Delivery

Supply VAV Control Mode

Explains how the M2 controls VAV units using GP1 board, VFDs, and bypass dampers based on duct static pressure.

Local Thermostat Mode, CAV Bypass Zoning Units

Explains CAV bypass zoning units using a blower bypass damper for duct static control.

VAV Staged Units: A Box (3 to 5 ton units)

Describes Energence A Box units with variable output blowers and factory settings for blower output.

Discharge Air Control

Cooling

Explains the DACC option that cycles up to 4 stages of cooling to maintain discharge air setpoint.

Heating

Explains the DACH option that cycles up to 4 stages of heating to maintain discharge air setpoint.

Outdoor Air Reset

Explains how outdoor air reset decreases the discharge air heating setpoint as outdoor air temperature increases.

ThirdParty Zoning

BACnet

M2 BACnet Module

Details the optional M2 BACnet Module for communication with BACnet MSTP networks.

Diagnostics

M2 Event Codes

Lists M2 event codes, their display messages, and corresponding actions for troubleshooting.

Electronic Configure To Order (ECTO) Control Parameters

Networking The Controllers

Sequence of Operation

Unit Controller Control Modes

Explains how the unit controller operates in different modes like CAV, VAV, zoning, and thermostat/sensor control.

Constant Air Volume (CAV) Units in Single Zone Applications with a Lennox Zone Sensor (4 Heat 4 Cool)

Describes unit controller operation in zone sensor mode for CAV units, providing up to four stages heating/cooling.

Constant Air Volume (CAV) Units in Single Zone Applications with a Thermostat or Third Party Unit Controller (2 Heat 2 Cool)

Describes CAV unit operation with thermostat/third-party controller for two stages heating/cooling.

Constant Air Volume (CAV) Units in Single Zone Applications with a Thermostat or Third Party Unit Controller and the Unit Operating in Discharge Air Temperature Control (4 Heat 4 Cool)

Describes CAV unit operation with thermostat/third-party controller for four stages heating/cooling with discharge air temp control.

M2 Unit Controller Inputs and Outputs

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